Operators of vessels pumping in ballast water from the above harbors and leaving the harbor with that water will maintain a record showing the amount of ballast water taken, the means of control, if any, and the location where the treated or untreated harbor ballast water was pumped out.

The ballast water records will be available for review by U.S. or Canadian Coast Guard personnel.

The above requirements will be waived for vessels which attest by means of a log entry that the harbor ballast water from the above harbors will not be pumped out within the Great Lakes/St. Lawrence Seaway System (at least until reaching salt water). Masters of these vessels recognize that ballast water from the above harbors must not be pumped out in any other fresh or brackish water port and thus should exchange ballast with salt water.

Citation Manager

"
E GREAT LAKES MARITIME INDUSTRY VOLUNTARY BALLAST WATER MANAGEMENT PLAN FOR THE CONTROL OF RUFFE IN LAKE SUPERIOR PORTS, 1993 ."
Stemming the Tide: Controlling Introductions of Nonindigenous Species by Ships' Ballast Water . Washington, DC: The National Academies Press,
1996 .

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